For Which of the Listed Elements (E)would the Energy Required

question 10

Multiple Choice

For which of the listed elements (E) would the energy required for the following reaction be the least ?     E (g)    →   E⁺ (g) + e^-

• A)Ga
• B)Na
• C)Ca
• D)K

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A judicial principle that stops one from retracting a pledge given to another if the latter has justifiably depended on the promise to their disadvantage.

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